1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portlet.messageboards.messaging;
24  
25  import com.liferay.mail.service.MailServiceUtil;
26  import com.liferay.portal.NoSuchUserException;
27  import com.liferay.portal.kernel.log.Log;
28  import com.liferay.portal.kernel.log.LogFactoryUtil;
29  import com.liferay.portal.kernel.mail.MailMessage;
30  import com.liferay.portal.kernel.messaging.MessageListener;
31  import com.liferay.portal.kernel.util.GetterUtil;
32  import com.liferay.portal.kernel.util.StringPool;
33  import com.liferay.portal.kernel.util.StringUtil;
34  import com.liferay.portal.model.Subscription;
35  import com.liferay.portal.model.User;
36  import com.liferay.portal.service.SubscriptionLocalServiceUtil;
37  import com.liferay.portal.service.UserLocalServiceUtil;
38  import com.liferay.portlet.messageboards.model.MBCategory;
39  import com.liferay.portlet.messageboards.model.MBThread;
40  import com.liferay.portlet.messageboards.util.BBCodeUtil;
41  
42  import java.util.ArrayList;
43  import java.util.HashSet;
44  import java.util.List;
45  import java.util.Set;
46  
47  import javax.mail.internet.InternetAddress;
48  
49  /**
50   * <a href="MBMessageListener.java.html"><b><i>View Source</i></b></a>
51   *
52   * @author Brian Wing Shun Chan
53   */
54  public class MBMessageListener implements MessageListener {
55  
56      public void receive(com.liferay.portal.kernel.messaging.Message message) {
57          try {
58              doReceive(message);
59          }
60          catch (Exception e) {
61              _log.error("Unable to process message " + message, e);
62          }
63      }
64  
65      public void doReceive(com.liferay.portal.kernel.messaging.Message message)
66          throws Exception {
67  
68          long companyId = message.getLong("companyId");
69          long userId = message.getLong("userId");
70          String categoryIds = message.getString("categoryIds");
71          String threadId = message.getString("threadId");
72          String fromName = message.getString("fromName");
73          String fromAddress = message.getString("fromAddress");
74          String subject = message.getString("subject");
75          String body = message.getString("body");
76          String replyToAddress = message.getString("replyToAddress");
77          String mailId = message.getString("mailId");
78          String inReplyTo = message.getString("inReplyTo");
79          boolean htmlFormat = message.getBoolean("htmlFormat");
80  
81          subject = subject + StringPool.SPACE + mailId;
82  
83          Set<Long> sent = new HashSet<Long>();
84  
85          if (_log.isInfoEnabled()) {
86              _log.info(
87                  "Sending notifications for {mailId=" + mailId + ", threadId=" +
88                      threadId + ", categoryIds=" + categoryIds + "}");
89          }
90  
91          // Threads
92  
93          List<Subscription> subscriptions =
94              SubscriptionLocalServiceUtil.getSubscriptions(
95                  companyId, MBThread.class.getName(),
96                  GetterUtil.getLong(threadId));
97  
98          sendEmail(
99              userId, fromName, fromAddress, subject, body, subscriptions, sent,
100             replyToAddress, mailId, inReplyTo, htmlFormat);
101 
102         // Categories
103 
104         long[] categoryIdsArray = StringUtil.split(categoryIds, 0L);
105 
106         for (long categoryId : categoryIdsArray) {
107             subscriptions = SubscriptionLocalServiceUtil.getSubscriptions(
108                 companyId, MBCategory.class.getName(), categoryId);
109 
110             sendEmail(
111                 userId, fromName, fromAddress, subject, body, subscriptions,
112                 sent, replyToAddress, mailId, inReplyTo, htmlFormat);
113         }
114 
115         if (_log.isInfoEnabled()) {
116             _log.info("Finished sending notifications");
117         }
118     }
119 
120     protected void sendEmail(
121             long userId, String fromName, String fromAddress, String subject,
122             String body, List<Subscription> subscriptions, Set<Long> sent,
123             String replyToAddress, String mailId, String inReplyTo,
124             boolean htmlFormat)
125         throws Exception {
126 
127         List<InternetAddress> addresses =
128             new ArrayList<InternetAddress>();
129 
130         for (Subscription subscription : subscriptions) {
131             long subscribedUserId = subscription.getUserId();
132 
133             if (sent.contains(subscribedUserId)) {
134                 if (_log.isDebugEnabled()) {
135                     _log.debug(
136                         "Do not send a duplicate email to user " +
137                             subscribedUserId);
138                 }
139 
140                 continue;
141             }
142             else {
143                 if (_log.isDebugEnabled()) {
144                     _log.debug(
145                         "Add user " + subscribedUserId +
146                             " to the list of users who have received an email");
147                 }
148 
149                 sent.add(subscribedUserId);
150             }
151 
152             User user = null;
153 
154             try {
155                 user = UserLocalServiceUtil.getUserById(
156                     subscription.getUserId());
157             }
158             catch (NoSuchUserException nsue) {
159                 if (_log.isInfoEnabled()) {
160                     _log.info(
161                         "Subscription " + subscription.getSubscriptionId() +
162                             " is stale and will be deleted");
163                 }
164 
165                 SubscriptionLocalServiceUtil.deleteSubscription(
166                     subscription.getSubscriptionId());
167 
168                 continue;
169             }
170 
171             if (!user.isActive()) {
172                 continue;
173             }
174 
175             InternetAddress userAddress = new InternetAddress(
176                 user.getEmailAddress(), user.getFullName());
177 
178             addresses.add(userAddress);
179         }
180 
181         try {
182             InternetAddress[] bulkAddresses = addresses.toArray(
183                 new InternetAddress[addresses.size()]);
184 
185             if (bulkAddresses.length == 0) {
186                 return;
187             }
188 
189             InternetAddress from = new InternetAddress(fromAddress, fromName);
190 
191             InternetAddress to = new InternetAddress(
192                 replyToAddress, replyToAddress);
193 
194             String curSubject = StringUtil.replace(
195                 subject,
196                 new String[] {
197                     "[$TO_ADDRESS$]",
198                     "[$TO_NAME$]"
199                 },
200                 new String[] {
201                     replyToAddress,
202                     replyToAddress
203                 });
204 
205             String curBody = StringUtil.replace(
206                 body,
207                 new String[] {
208                     "[$TO_ADDRESS$]",
209                     "[$TO_NAME$]"
210                 },
211                 new String[] {
212                     replyToAddress,
213                     replyToAddress
214                 });
215 
216             InternetAddress replyTo = new InternetAddress(
217                 replyToAddress, replyToAddress);
218 
219             if (htmlFormat) {
220                 try {
221                     curBody = BBCodeUtil.getHTML(curBody);
222                 }
223                 catch (Exception e) {
224                     _log.error(
225                         "Could not parse message " + mailId + " " +
226                             e.getMessage());
227                 }
228             }
229 
230             MailMessage message = new MailMessage(
231                 from, to, curSubject, curBody, htmlFormat);
232 
233             message.setBulkAddresses(bulkAddresses);
234             message.setMessageId(mailId);
235             message.setInReplyTo(inReplyTo);
236             message.setReplyTo(new InternetAddress[] {replyTo});
237 
238             MailServiceUtil.sendEmail(message);
239         }
240         catch (Exception e) {
241             _log.error(e);
242         }
243     }
244 
245     private static Log _log = LogFactoryUtil.getLog(MBMessageListener.class);
246 
247 }